CN101000695A - Vehicle monitoring system - Google Patents
Vehicle monitoring system Download PDFInfo
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- CN101000695A CN101000695A CNA2006100646851A CN200610064685A CN101000695A CN 101000695 A CN101000695 A CN 101000695A CN A2006100646851 A CNA2006100646851 A CN A2006100646851A CN 200610064685 A CN200610064685 A CN 200610064685A CN 101000695 A CN101000695 A CN 101000695A
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Abstract
A vehicle monitoring system is prepared as connecting video camera module to vehicle terminal in communication mode through RS-485 interface for up-transmitting partial shot image to central unit through vehicle terminal and mobile communication network, labeling image files being not up-transmitted to central unit and being stored in image storage to be A type of important file by digital signal processor in video camera module and image files being up-transmitted to be B type of important file, allowing newly shot image to cover B type of important file when storage space of image storage is full.
Description
Technical field
The present invention relates to supervisory system, more particularly, relate to a kind of vehicle-mounted monitoring system.
Background technology
Along with popularizing with quantity of automobile increased, various types of automobile crime quantity are increased sharply, at in the position of automobile, the car, the outer video monitoring equipment of car arises at the historic moment, the position of the automobile that the user can monitor and manage by GPS is by the outer state of video monitoring Che Neiche.
In present vehicle-mounted monitoring system, a kind of is to adopt DVR as memory device, and its volume is big, and thermal diffusivity is bad.And, because low-frequency vibration is very big to the hard disk influence on the vehicle that moves, the easy damaged hard disk, gently then loss of data, heavy then equipment all damages; In addition, automobile is the moment power supply when starting, and the stable of electric current may influence the stable of hard disk.Therefore local hard disk storage medium is not suitable for the application on the automobile.Also have a kind of NAND of being to use FLASH storage medium, do not have mechanical moving component, have the anti-high-temperature behavior of the incomparable shock resistance of hard-disc storage, meet automobile mounted application.
But no matter be hard disk or NAND FLASH storage medium, its limited storage space, in case storage space uses up, new image or can't store or will cover previous image makes some have little time to upload to the missing image of center cell (Surveillance center).
In addition, under the very dark situation of ambient light, as night, shooting not fogging clear can't be differentiated details, sometimes even dim a slice, can not play the effect of monitoring.
Summary of the invention
The technical problem to be solved in the present invention is, is subjected to memory limitations and the defective that may lose at the above-mentioned monitor message of prior art, but provide a kind of maximum time limit preservation do not upload to the vehicle-mounted monitoring system of the image of Surveillance center.
Another problem that the present invention will solve is the unsharp defective of photographic images under the situation of ambient light weak strength, and a kind of vehicle-mounted monitoring system with auxiliary filming apparatus is provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of vehicle-mounted monitoring system, comprise shooting module and GPS car-mounted terminal, described shooting module comprises camera, video memory and the digital signal processor that links to each other with both; Described GPS car-mounted terminal comprises GPS module, mobile communication module and the master controller that links to each other with both; It is characterized in that, digital signal processor in the described shooting module is communicated by letter with the master controller of car-mounted terminal by the RS-485 interface and is linked to each other, and at least a portion image that will be stored in the video memory uploads to center cell by car-mounted terminal and mobile communications network, wherein, described digital signal processor
The image file that is not uploaded to center cell in the described video memory is labeled as high importance classes A;
The image file that has been uploaded to center cell in the described video memory is labeled as low importance classes B;
When the storage space of described video memory is expired, make the image of new shooting cover the image file that is labeled as low importance classes B.
In vehicle-mounted monitoring system of the present invention, described shooting module comprises infrared auxiliary photo-taking device, it comprises light intensity sensor, control circuit, infrared secondary light source and the power supply that is used for the testing environment light intensity, wherein, the output terminal of described sensor is connected to the input end of control circuit, the signal of the power supply break-make of the described secondary light source of described control circuit output control.
In vehicle-mounted monitoring system of the present invention, described sensor is that photoresistance, described secondary light source are that the infrared diode of a plurality of parallel connections, described control circuit are transistor switching circuits.
In vehicle-mounted monitoring system of the present invention, described camera adopts the CMOS camera.
In vehicle-mounted monitoring system of the present invention, described mobile communication module is GSM/GPRS, CDMA or 3G mobile communication module.
In vehicle-mounted monitoring system of the present invention, described video memory is the Flash storer.
In vehicle-mounted monitoring system of the present invention, described video memory is ... the storer of type.
Implement vehicle-mounted pick-up module of the present invention, have following beneficial effect: center cell can be monitored occupant's situation in the vehicle, provides powerful support for for Vehicle Dispatch Administration and safety precaution provide; Can make the captured preservation that image is able to the maximum time limit of not uploading, and improve the utilization factor of storage unit, reduce system cost.In addition, even in the very weak environment of light intensity, also can photograph the comparison distinct image.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the synoptic diagram that vehicle-mounted monitoring system of the present invention and center cell communicate to connect embodiment;
Fig. 2 is the structural representation according to shooting module in the vehicle-mounted monitoring system of the embodiment of the invention;
Fig. 3 is the structural representation according to GPS car-mounted terminal in the vehicle-mounted monitoring system of the embodiment of the invention;
Fig. 4 is the flow chart of steps of memory image being handled according to the shooting module of the embodiment of the invention;
Fig. 5 is the make a video recording circuit theory diagrams of auxiliary filming apparatus embodiment in the module of the present invention.
Embodiment
Shown in the embodiment of Fig. 1, vehicle-mounted monitoring system of the present invention comprises shooting module and car-mounted terminal, and wherein, the shooting module is connected with car-mounted terminal by RS-485, and car-mounted terminal is connected by GSM/GPRS with center cell.
Shown in the embodiment of Fig. 2, shooting module of the present invention comprises camera (camera lens+imageing sensor), digital signal processor (DSP) and storer.Its course of work is: the filtration of object process camera lens reaches imageing sensor (sensor) and carries out image acquisition, and delivers among the DSP.DSP is optimized processing by the computing of a series of complex mathematical algorithm to the digital picture signal parameter then, and the data storage after handling externally in the storer, perhaps according to the requirement of car-mounted terminal, is reached center cell by GSM/GPRS.
Respectively each ingredient is briefly introduced below:
1, camera lens
Camera lens is a big key element that influences image quality, and its composition is a lens arrangement, is made up of several lens, generally can be divided into plastic cement lens (plastic) or glass lens (glass).So-called plastic cement lens are not pure plastics, but resin lens, the optical index of its transmittance photonasty and so on is less than the coated glass eyeglass.
2, image sensor
Camera is main at present to divide two kinds:
CCD (charge couple device): charge-coupled image sensor
CMOS (complementary metal oxide semiconductor): complementary metal oxide semiconductor (CMOS)
The CMOS camera is the popular level product of very main flow, and its ratio of performance to price is good.In theory, ccd sensor all is better than cmos sensor at aspects such as sensitivity, resolution, noise controls, and cmos sensor then has the characteristics of low cost, low-power consumption and high degree of integration.Saying simply, is exactly that CCD camera image quality can be better, image bright and sharp penetrating, details abundant, the color rendition degree is good, exposure accurately, the CMOS camera then has certain dependence to light source.
But development along with technology, CMOS has relied on low cost and the high-performance that is not weaker than CCD at the same level firmly to occupy dominant position aspect low-end applications, and with regard to the camera product, the image quality of best CMOSSENSOR (comprising aspects such as sharpness/color rendition) is more even better than early stage CCD SENSOR! Therefore, according to the applied environment and the cost factor of product, select the CMOS camera to be enough to deal with the common monitoring application of taking pictures.
Scenery projects on imageing sensor (SENSOR) surface by the optical imagery that camera lens (LENS) generates, and transfers electric signal then to, through becoming data image signal after A/D (analog to digital conversion) conversion, delivers to digital signal processing chip (DSP) again.
3, digital signal processing (DIGITAL SIGNAL PROCESSING, DSP)
Dsp chip comprises following function usually:
3.1, image signal processor ISP (image signal processor)
3.2, the jpeg image demoder
3.3, serial ports and outreaching
4, video memory
Before photographic images also had little time to be uploaded to center cell, the shooting module also needed image is carried out temporary transient storage, and the size of storage unit has substantial connection with its cost.How to make good use of storage unit, can direct influence be arranged the module cost.Characteristic according to the vehicle-mounted pick-up module, after taking pictures, module can be uploaded to center cell with the GSM/GPRS of image information by car-mounted terminal, the importance of the image of having uploaded so just is lower than the image of also not uploading, and so just is necessary image is carried out classification and storage: for the image of not uploading it is labeled as category-A; The image of having uploaded is labeled as category-B with it.When new images need be stored, preferentially override the category-B image, and make the category-A image of not uploading obtain the preservation of maximum time limit, thereby improved the utilization factor of storage unit greatly.Video memory can adopt semiconductor storage medium to realize, for example, and NAND FLASH storer.
Fig. 3 is the structural representation according to GPS car-mounted terminal in the vehicle-mounted monitoring system of the embodiment of the invention.As shown in the figure, the GPS car-mounted terminal comprises GPS module, GSM/GPRS module and master controller.In the present embodiment, master controller adopts the dual processor framework, and based on 32 arm processors, 16 single-chip microcomputers are auxilliary, carries out high speed signal and handles; Simultaneously, adopt the storage of multi-disc Synchronous DRAM and Flash high capacity, guarantee the system high-speed operation; GPS resume module ceramic antenna receives the GPS locating information, and it is transferred to ARM chips incorporate map software deal with data; The decoding of MP4 hardware, voice IC provide hardware foundation for image, Voice Navigation.
Fig. 4 is the flow chart of steps that the shooting module is handled image.As shown in the figure, at first, the image that the selection of shooting module need be uploaded.For example, the shooting module can be according to the instruction of GPS car-mounted terminal with the image uploading of appointment to center cell.Again for example, the instruction that can issue according to center cell is with the image uploading of current shooting.Again for example, can also be by manually sending the instruction of uploading image to the shooting module by the GPS car-mounted terminal.Next, the shooting module is given center cell by mobile communications network with the image uploading of selecting.Whether successfully to confirm then to upload,, the image tagged of having uploaded is low importance category-B if upload success.If upload unsuccessfully, upload once more.For do not upload or upload not successful image, keep the information of its high importance category-A.
When in night or ambient light insufficient strength the time, the effect of taking pictures is undesirable, and at this moment we can be by the infrared ray auxiliary photo-taking, to guarantee to take pictures quality.For increasing night vision function, in one embodiment, vehicle-mounted monitoring system of the present invention has adopted auxiliary filming apparatus as shown in Figure 5.
As shown in Figure 5: R2 is photoresistance, and its impedance changes with the power of light, and when light was more weak, impedance was bigger, utilized this characteristic, and R1 and R2 provide base voltage by dividing potential drop to Q1, whether conducting of control Q1, and then whether conducting of control Q2.When light is strong, Q1, Q2 by, Vcc_IR does not have voltage, infrared diode is not luminous; When light was more weak, R2 was big impedance, Q1, Q2 conducting, and then the Vcc_IR=Vcc infrared diode is luminous, with auxiliary photo-taking.
Vehicle-mounted monitoring system of the present invention can be taken pictures when needed or regularly be taken pictures, and by mobile communications network with image uploading to Surveillance center.Information such as carrying situation to vehicle are taken pictures, and particularly when meeting emergency condition, cooperate vehicle terminal software, and emergency is taken pictures, and can provide effective evidences to handle afterwards.In addition, owing to increased the night vision shoot function, under the more weak situation of night running or light, keep clear picture.
For example, the shooting module can adopt following several working method:
1, the car-mounted terminal demand of taking pictures
1.1, meet alert taking pictures: run into alert in driving process, car-mounted terminal can issue photographing instruction to the shooting module, and after the success of taking pictures, car-mounted terminal can extract photo content, is uploaded to center cell by GPRS then.
1.2, regularly take pictures: according to user's request, can regularly take pictures and photo content is uploaded to center cell when can select on request
1.3, the driver takes pictures: the driver can control by operation interface in the process of moving, issue photographing instruction for the shooting module by terminal, simultaneously the driver also can pass through operation interface, and the photo upload in the module of selecting whether will to make a video recording is to center cell, and photo storage is pressed category-A and category-B is stored.
2, to take pictures be earlier to issue photographing instruction to car-mounted terminal to center cell, has terminal notice shooting module to take pictures then, and other processes such as terminal are taken pictures identical.Whether center cell also can be selected image uploading, and the back image of taking pictures also divides category-A and category-B storage.
In one embodiment of the invention, vehicle-mounted monitoring system adopts the integrated camera module of a kind of height of low-power consumption, and image adopts the jpeg format compression.Can realize that by RS-485 the timesharing control of a plurality of cameras takes pictures.Its performance is as follows:
1, low cost, low-power consumption, high-definition picture;
2, support many kinds of image resolution ratios of VGA/CIF/SIF/QCIF/160*128/80*64;
3, by RS-485, can support the multichannel camera;
4, support the variable jpeg encoding setting of different resolution;
5, support 4/16/256 grade of gray scale and 12/16bit RGB preview image;
6, can increase night vision function according to demand;
7, in the image storage, take classification and storage, uploaded image and do not uploaded the image classification storage.
Claims (6)
1, a kind of vehicle-mounted monitoring system comprises shooting module and GPS car-mounted terminal, and described shooting module comprises camera, video memory and the digital signal processor that links to each other with both; Described GPS car-mounted terminal comprises GPS module, mobile communication module and the master controller that links to each other with both; It is characterized in that, digital signal processor in the described shooting module is communicated by letter with the master controller of car-mounted terminal by the RS-485 interface and is linked to each other, and at least a portion image that will be stored in the video memory uploads to center cell by car-mounted terminal and mobile communications network, wherein, described digital signal processor
The image file that is not uploaded to center cell in the described video memory is labeled as high importance classes A;
The image file that has been uploaded to center cell in the described video memory is labeled as low importance classes B;
When the storage space of described video memory is expired, make the image of new shooting cover the image file that is labeled as low importance classes B.
2, vehicle-mounted monitoring system according to claim 1, it is characterized in that, described shooting module comprises infrared auxiliary photo-taking device, it comprises light intensity sensor, control circuit, infrared secondary light source and the power supply that is used for the testing environment light intensity, wherein, the output terminal of described sensor is connected to the input end of control circuit, the signal of the power supply break-make of the described secondary light source of described control circuit output control.
3, vehicle-mounted monitoring system according to claim 2 is characterized in that, described sensor is that photoresistance, described secondary light source are that the infrared diode of a plurality of parallel connections, described control circuit are transistor switching circuits.
According to each described vehicle-mounted monitoring system in the claim 1 to 3, it is characterized in that 4, described camera adopts the CMOS camera.
According to each described vehicle-mounted monitoring system in the claim 1 to 3, it is characterized in that 5, described mobile communication module is GSM/GPRS, CDMA or 3G mobile communication module.
According to each described vehicle-mounted monitoring system in the claim 1 to 3, it is characterized in that 6, described video memory is the Flash storer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100646851A CN100524368C (en) | 2006-12-29 | 2006-12-29 | Vehicle monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100646851A CN100524368C (en) | 2006-12-29 | 2006-12-29 | Vehicle monitoring system |
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| CN101000695A true CN101000695A (en) | 2007-07-18 |
| CN100524368C CN100524368C (en) | 2009-08-05 |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101854586A (en) * | 2010-04-13 | 2010-10-06 | 深圳市鼎盛威电子有限公司 | Mobile monitoring system and monitoring terminal thereof |
| CN102098497A (en) * | 2010-12-23 | 2011-06-15 | 史立锦 | Multi-purpose security monitoring system |
| CN101315731B (en) * | 2008-07-17 | 2011-08-31 | 上海途锐信息技术有限公司 | System for implementing vehicle monitoring scheduling by GPS intelligent vehicle mounted terminal |
| CN102325385A (en) * | 2011-08-31 | 2012-01-18 | 深圳市阿龙电子有限公司 | Driving record system based on WiFi (Wireless Fidelity) communication |
| WO2012083780A1 (en) * | 2010-12-20 | 2012-06-28 | 中兴通讯股份有限公司 | Vehicle mounted front end apparatus based on the internet of things |
| CN102651173A (en) * | 2012-05-23 | 2012-08-29 | 成都亿盟恒信科技有限公司 | Beidou satellite monitoring safe driving system based on 3G network |
| CN102874113A (en) * | 2012-06-18 | 2013-01-16 | 浙江吉利汽车研究院有限公司杭州分公司 | Safety protection system used in sudden disease of driver |
| CN103426213A (en) * | 2013-08-09 | 2013-12-04 | 移康智能科技(上海)有限公司 | Automobile data recorder and vehicle employing same |
| CN103711414A (en) * | 2013-12-04 | 2014-04-09 | 阿格柏格内诺·迪塞尔·阿格波佐豪 | window coloring pad |
| CN104252722A (en) * | 2013-06-26 | 2014-12-31 | 福特全球技术公司 | Integrated vehicle traffic camera |
| CN104299288A (en) * | 2013-07-15 | 2015-01-21 | 福特全球技术公司 | Monitoring a parking permit of a motor vehicle |
| CN104766392A (en) * | 2015-04-17 | 2015-07-08 | 巫立斌 | Driving record monitoring device based on cloud storage |
| CN104994270A (en) * | 2015-08-06 | 2015-10-21 | 麦格纳斯太尔汽车技术（上海）有限公司 | Vehicle-mounted camera image processing system in low light environment |
| CN108099905A (en) * | 2017-12-18 | 2018-06-01 | 深圳大学 | Vehicle yaw detection method, system and NI Vision Builder for Automated Inspection |
| CN108432241A (en) * | 2015-12-28 | 2018-08-21 | 住友建机株式会社 | excavator |
| CN109087407A (en) * | 2018-07-27 | 2018-12-25 | 安徽安为科技有限公司 | The long-range dump system of locomotive file |
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2006
- 2006-12-29 CN CNB2006100646851A patent/CN100524368C/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315731B (en) * | 2008-07-17 | 2011-08-31 | 上海途锐信息技术有限公司 | System for implementing vehicle monitoring scheduling by GPS intelligent vehicle mounted terminal |
| CN101854586A (en) * | 2010-04-13 | 2010-10-06 | 深圳市鼎盛威电子有限公司 | Mobile monitoring system and monitoring terminal thereof |
| CN101854586B (en) * | 2010-04-13 | 2013-02-06 | 深圳市鼎盛威电子有限公司 | Mobile monitoring system and monitoring terminal thereof |
| WO2012083780A1 (en) * | 2010-12-20 | 2012-06-28 | 中兴通讯股份有限公司 | Vehicle mounted front end apparatus based on the internet of things |
| CN102098497A (en) * | 2010-12-23 | 2011-06-15 | 史立锦 | Multi-purpose security monitoring system |
| CN102325385A (en) * | 2011-08-31 | 2012-01-18 | 深圳市阿龙电子有限公司 | Driving record system based on WiFi (Wireless Fidelity) communication |
| CN102651173A (en) * | 2012-05-23 | 2012-08-29 | 成都亿盟恒信科技有限公司 | Beidou satellite monitoring safe driving system based on 3G network |
| CN102651173B (en) * | 2012-05-23 | 2015-10-14 | 成都亿盟恒信科技有限公司 | Based on the big-dipper satellite monitoring safe driving system of 3G network |
| CN102874113A (en) * | 2012-06-18 | 2013-01-16 | 浙江吉利汽车研究院有限公司杭州分公司 | Safety protection system used in sudden disease of driver |
| CN102874113B (en) * | 2012-06-18 | 2016-12-21 | 浙江吉利汽车研究院有限公司 | Safety system after driver's burst disease |
| CN104252722A (en) * | 2013-06-26 | 2014-12-31 | 福特全球技术公司 | Integrated vehicle traffic camera |
| CN104299288A (en) * | 2013-07-15 | 2015-01-21 | 福特全球技术公司 | Monitoring a parking permit of a motor vehicle |
| CN103426213B (en) * | 2013-08-09 | 2016-01-06 | 移康智能科技(上海)有限公司 | A kind of drive recorder and there is the vehicle of drive recorder |
| CN103426213A (en) * | 2013-08-09 | 2013-12-04 | 移康智能科技(上海)有限公司 | Automobile data recorder and vehicle employing same |
| CN103711414A (en) * | 2013-12-04 | 2014-04-09 | 阿格柏格内诺·迪塞尔·阿格波佐豪 | window coloring pad |
| CN104766392A (en) * | 2015-04-17 | 2015-07-08 | 巫立斌 | Driving record monitoring device based on cloud storage |
| CN104994270A (en) * | 2015-08-06 | 2015-10-21 | 麦格纳斯太尔汽车技术（上海）有限公司 | Vehicle-mounted camera image processing system in low light environment |
| CN108432241A (en) * | 2015-12-28 | 2018-08-21 | 住友建机株式会社 | excavator |
| CN108099905A (en) * | 2017-12-18 | 2018-06-01 | 深圳大学 | Vehicle yaw detection method, system and NI Vision Builder for Automated Inspection |
| CN109087407A (en) * | 2018-07-27 | 2018-12-25 | 安徽安为科技有限公司 | The long-range dump system of locomotive file |
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